Display screen or portion thereof with icon



FIG. 1 is a front image of a display screen or portion thereof with icon showing our new design; and,

FIG. 2 is a front view of another embodiment of a display screen or portion thereof with icon showing our new design.

All evenly spaced broken lines illustrate a display screen or portion thereof, and form not part of the claimed design. 

CLAIM We claim, the ornamental design for a display screen or portion thereof with icon, as shown and described. 